Syn-ec'pho-nē'sis, n.

n. [Gr. συνεκφώνησις, from συνεκφωνεῖν, to utter together, from σύν, with, and ἐκφωνεῖν, to cry out, from ἐκ, out, and φωνεῖν, to sound, call, from φωνή, sound, voice; Fr. synecphonèse.] (Gram.) A contraction of two syllables into one; syneresis; synizesis.